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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#pragma once
#include "OrthancException.h"
#include "Toolbox.h"
#include <boost/lexical_cast.hpp>
#include <string>
#include <map>
namespace Orthanc
{
namespace Toolbox
{
template <typename Enumeration>
class EnumerationDictionary
{
private:
typedef std::map<Enumeration, std::string> EnumerationToString;
typedef std::map<std::string, Enumeration> StringToEnumeration;
EnumerationToString enumerationToString_;
StringToEnumeration stringToEnumeration_;
public:
void Clear()
{
enumerationToString_.clear();
stringToEnumeration_.clear();
}
void Add(Enumeration value, const std::string& str)
{
// Check if these values are free
if (enumerationToString_.find(value) != enumerationToString_.end() ||
stringToEnumeration_.find(str) != stringToEnumeration_.end() ||
Toolbox::IsInteger(str) /* Prevent the registration of a number */)
{
throw OrthancException(ErrorCode_BadRequest);
}
// OK, the string is free and is not a number
enumerationToString_[value] = str;
stringToEnumeration_[str] = value;
stringToEnumeration_[boost::lexical_cast<std::string>(static_cast<int>(value))] = value;
}
Enumeration Translate(const std::string& str) const
{
try
{
int value = boost::lexical_cast<int>(str);
return static_cast<Enumeration>(value);
}
catch (boost::bad_lexical_cast)
{
}
typename StringToEnumeration::const_iterator
found = stringToEnumeration_.find(str);
if (found == stringToEnumeration_.end())
{
throw OrthancException(ErrorCode_InexistentItem);
}
else
{
return found->second;
}
}
std::string Translate(Enumeration e) const
{
typename EnumerationToString::const_iterator
found = enumerationToString_.find(e);
if (found == enumerationToString_.end())
{
// No name for this item
return boost::lexical_cast<std::string>(static_cast<int>(e));
}
else
{
return found->second;
}
}
};
}
}
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